Fix import of resource group name for azurerm_local_network_gateway.

builtin/providers/azurerm/import_arm_local_network_gateway_test.go

@@ -19,11 +19,9 @@ func TestAccAzureRMLocalNetworkGateway_importBasic(t *testing.T) {
 			},
 
 			resource.TestStep{
-				ResourceName:            resourceName,
-				ImportState:             true,
-				ImportStateVerify:       true,
-				ImportStateVerifyIgnore: []string{"resource_group_name"},
-				//this isn't returned from the API!
+				ResourceName:      resourceName,
+				ImportState:       true,
+				ImportStateVerify: true,
 			},
 		},
 	})

builtin/providers/azurerm/resource_arm_local_network_gateway.go

@@ -117,6 +117,7 @@ func resourceArmLocalNetworkGatewayRead(d *schema.ResourceData, meta interface{}
 		return nil
 	}
 
+	d.Set("resource_group_name", resGroup)
 	d.Set("name", resp.Name)
 	d.Set("location", resp.Location)
 	d.Set("gateway_address", resp.Properties.GatewayIPAddress)